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ResearchFormerly WizWand

Positive-Unlabeled Classification on 14 imbalanced datasets SCAR assumption macro-averaged

0.92ROC AUCXGBoostFL
0.51440.61970.7250.8303May 14, 2026
Updated 5mo ago

Evaluation results

MethodLinks
XGBoostFLLabeled proportion=25%, Setting=Positive-Negative, Configuration=XGBoost supervised, focal loss, default hyper-parameters2026.050.920.67
XGBoostFLLabeled proportion=50%, Setting=Positive-Negative, Configuration=XGBoost supervised, focal loss, default hyper-parameters2026.050.920.67
XGBoostFLLabeled proportion=75%, Setting=Positive-Negative, Configuration=XGBoost supervised, focal loss, default hyper-parameters2026.050.920.67
XGBoostLabeled proportion=25%, Setting=Positive-Negative, Configuration=XGBoost supervised, standard loss, default hyper-parameters2026.050.90.65
XGBoostLabeled proportion=50%, Setting=Positive-Negative, Configuration=XGBoost supervised, standard loss, default hyper-parameters2026.050.90.65
XGBoostLabeled proportion=75%, Setting=Positive-Negative, Configuration=XGBoost supervised, standard loss, default hyper-parameters2026.050.90.65
PUHRFLabeled proportion=75%, Setting=Positive-Unlabeled, Configuration=PU Hellinger Random forest, default hyper-parameters2026.050.890.63
NNIFLabeled proportion=75%, Setting=Positive-Unlabeled, Configuration=XGBoost, default hyper-parameters2026.050.870.53
PUHRFLabeled proportion=50%, Setting=Positive-Unlabeled, Configuration=PU Hellinger Random forest, default hyper-parameters2026.050.870.59
iFPUXGBLabeled proportion=75%, Setting=Positive-Unlabeled, Configuration=XGBoost, PU focal loss, default hyper-parameters2026.050.870.6
LBELabeled proportion=75%, Setting=Positive-Unlabeled, Configuration=MLP, default hyper-parameters2026.050.860.53
NNIFLabeled proportion=50%, Setting=Positive-Unlabeled, Configuration=XGBoost, default hyper-parameters2026.050.850.5
SAREMLabeled proportion=75%, Setting=Positive-Unlabeled, Configuration=Expectation-Maximization, default parameters2026.050.850.56
iFPUXGBLabeled proportion=50%, Setting=Positive-Unlabeled, Configuration=XGBoost, PU focal loss, default hyper-parameters2026.050.850.57
LBELabeled proportion=50%, Setting=Positive-Unlabeled, Configuration=MLP, default hyper-parameters2026.050.840.53
SAREMLabeled proportion=50%, Setting=Positive-Unlabeled, Configuration=Expectation-Maximization, default parameters2026.050.840.55
PUHRFLabeled proportion=25%, Setting=Positive-Unlabeled, Configuration=PU Hellinger Random forest, default hyper-parameters2026.050.830.52
NNIFLabeled proportion=25%, Setting=Positive-Unlabeled, Configuration=XGBoost, default hyper-parameters2026.050.810.46
SAREMLabeled proportion=25%, Setting=Positive-Unlabeled, Configuration=Expectation-Maximization, default parameters2026.050.810.51
LBELabeled proportion=25%, Setting=Positive-Unlabeled, Configuration=MLP, default hyper-parameters2026.050.80.49
iFPUXGBLabeled proportion=25%, Setting=Positive-Unlabeled, Configuration=XGBoost, PU focal loss, default hyper-parameters2026.050.80.52
PUHDTLabeled proportion=75%, Setting=Positive-Unlabeled, Configuration=PU Hellinger Decision Tree, default hyper-parameters2026.050.790.46
PUHDTLabeled proportion=50%, Setting=Positive-Unlabeled, Configuration=PU Hellinger Decision Tree, default hyper-parameters2026.050.770.43
PUHDTLabeled proportion=25%, Setting=Positive-Unlabeled, Configuration=PU Hellinger Decision Tree, default hyper-parameters2026.050.720.4
iFPUMLPLabeled proportion=75%, Setting=Positive-Unlabeled, Configuration=MLP, 5 layers, PU focal loss2026.050.620.14
iFPUMLPLabeled proportion=50%, Setting=Positive-Unlabeled, Configuration=MLP, 5 layers, PU focal loss2026.050.60.14
iFPUMLPLabeled proportion=25%, Setting=Positive-Unlabeled, Configuration=MLP, 5 layers, PU focal loss2026.050.580.13
uPULabeled proportion=75%, Setting=Positive-Unlabeled, Configuration=MLP, 5 layers, sigmoid loss2026.050.560.13
nnPULabeled proportion=75%, Setting=Positive-Unlabeled, Configuration=MLP, 5 layers, sigmoid loss2026.050.560.13
i-NNPULabeled proportion=50%, Setting=Positive-Unlabeled, Configuration=MLP, 5 layers, sigmoid loss2026.050.560.13
i-NNPULabeled proportion=75%, Setting=Positive-Unlabeled, Configuration=MLP, 5 layers, sigmoid loss2026.050.560.13
uPULabeled proportion=50%, Setting=Positive-Unlabeled, Configuration=MLP, 5 layers, sigmoid loss2026.050.550.13
nnPULabeled proportion=50%, Setting=Positive-Unlabeled, Configuration=MLP, 5 layers, sigmoid loss2026.050.550.13
nnPULabeled proportion=25%, Setting=Positive-Unlabeled, Configuration=MLP, 5 layers, sigmoid loss2026.050.540.12
i-NNPULabeled proportion=25%, Setting=Positive-Unlabeled, Configuration=MLP, 5 layers, sigmoid loss2026.050.540.12
uPULabeled proportion=25%, Setting=Positive-Unlabeled, Configuration=MLP, 5 layers, sigmoid loss2026.050.530.12